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Featured researches published by Paul W. Poorman.


Tribology Transactions | 1993

A Component-Level Tester to Simulate Rigid Disk Drive Friction and Wear Tests

Paul W. Poorman

This paper presents a component-level friction and wear tester which simulates many of the disk drive conditions that affect head/media tribology. Tester features include a high bandwidth friction transducer, yaw angle, seeking, sealed head/disk chamber, low spindle runout, start/stop profile matching, and environmental control. The tester is capable of measuring static friction, kinetic friction, and touchdown velocity. By realistically simulating a drive environment for tribology testing, the tester gives disk drive designers quick, accurate feedback on the reliability of their designs. Presented as a Society of Tribologists and Lubrication Engineers paper at the ASME/STLE Tribology Conference In Toronto, Ontario, Canada, October 8–10, 1990


Archive | 1986

Electrical connections for thin film transducer heads

Paul W. Poorman


Archive | 1997

Batch fabricated servo write head having low write-gap linewidth variation

Patricia A. Beck; Paul W. Poorman; George M. Clifford; Richard H. Henze


Archive | 1998

Tape drive head cleaner embedded in cartridge/drive leader block

Paul W. Poorman


Archive | 1999

Servo head design and method of using the same

Patricia A. Beck; Paul W. Poorman; George M. Clifford; Richard H. Henze


Archive | 2008

Magnetic-tape drive and magnetic-tape head compatible with multiple tape formats

Lawrence A. Hansen; Paul W. Poorman; Jeffrey S. McAllister


Archive | 2001

Wear resistant magnetic write head

Paul W. Poorman; Stephan Howe; Patricia A. Beck; Clifford Jr. George; Richard H. Henze


Archive | 2001

Method of making a magnetic write head and in-process head structures

Patricia A. Beck; Paul W. Poorman; George M. Clifford; Richard H. Henze


Archive | 2003

Method of forming a head assembly, a head assembly, and a linear tape drive

Richard H. Henze; Albert Jeans; Paul W. Poorman


Archive | 2003

Servo write method for magnetic tape

Patricia A. Beck; Paul W. Poorman; George M. Clifford; Richard H. Henze

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